Mobile tray rack



FIG. 1 is a perspective view of the tray rack with door in open position.

FIG. 2 is a plan view of the tray rack.

FIG. 3 is a front view of the tray rack.

FIG. 4 is a rear view of the tray rack.

FIG. 5 is a bottom view of the tray rack.

FIG. 6 is a left side view of the tray rack; and,

FIG. 7 is a right side view of the tray rack. 

The ornamental design for a mobile tray rack, as shown and described. 